dkimhoang2712 4/12/2024 8:38:16 AM

Câu 48:        Cho hình vuông https://lh7-us.googleusercontent.com/TgTrFs206mb072exRUNhURMv-0Fk81TQgg9XNEv9AicHC9LCWZPNpbJcJ-8VXWysdHwKhOpGEx96RaXbxLlo_jbiXIZndJP9uz6fwEMqijAkF4YsNtYwACxKpzEUn48dKOYF2BeIubajhsU=s800 có cạnh bằng https://lh7-us.googleusercontent.com/5VW5IrXOJKXSMVn4xF_D8iqrLuhtWibHi4xXrZSK7ldWwRqkdsRF9jug5BGvFzLkni3fXjLxMnxND2b16Ynj4WGFBr9oYdoZ3pSzHHBxGACaIDT9UHsgMA5aqC1B_bsFMRbixuiWIyTDmVc=s800. Gọi hai điểm https://lh7-us.googleusercontent.com/f5zSdrITaeuv8NYD6abOgamm_caM8R0V9eks60pckVIpDByfOdFiGmzhI56AI0h9tmBUWhryQm6dldw_HDBtV4Nw4EQyXnsW3WA0zEb-LkZJIVFLc1MIosi1YCT_lTzb13sBn6NtjzM6adE=s800 và https://lh7-us.googleusercontent.com/Qa4hjbHes8yHSZg3lLXypk9EhTSKWVQkOlSnIXvI11A-UPzYNG21jM8V1gCeRZa9lcL8z_fMXiOosrT90jyT7mucDPWYa5Swt10NuR6k1H5BFfl9bWVSJg5u7hExCFwzQWDNnwibYWP6HDA=s800 lần lượt là trung điểm của https://lh7-us.googleusercontent.com/pC-ZoZVyf8TMIlbOdEtk3qKIF_xsb3N0vSC6qvN4gB08I-3qtkkHbkxWzX2X6zJcXDiTRHtIwE4AFeD6rS1pbNROAwgLaGKvSbu3-zgDoVaYebyfIB0kK0U1MO7DjVXfbqZszMVk6W3-P4k=s800 và https://lh7-us.googleusercontent.com/mZ7uqnQWy8Iko22OS0jy8aqnFuM4WPYIUYg6B1rlsjr1TaQ1LC1JusI0ErCGFkXwuuz3a3NCf13TdU9j9Ghd6sszyk-uG7dYesf2EnM8eUIFazS65v4cwOwRiyu4pImRzq1LeznX9aHPF1k=s800. Một parabol có đỉnh là https://lh7-us.googleusercontent.com/oUAClIgza4aWhbwDr9S4kA5GlW1RhvBGcKOvr1rSdHYL3r1AIrakzxMZnznSEbPdiz_l2t9rx1k1YdmSAhyqS3lNKv4uePHk3B9aw7zE5ATpbkVxKNb9ojHdjdOSz1a0Z6fY6A3BoEhfGDU=s800 và đi qua điểm https://lh7-us.googleusercontent.com/82_8v0uSTqhhqcrOJ0af8a7ryscd1Z0dcMhhEe2WLV7eRCNTs__miWSUbeg9sIEVJ0_yBdh-J66WRfag4Q3_TqMjQn1pVLCXw9AAefdnI3vi_F7PBdxl7GfQUYfe85B9Ed1jKvBbrD5mu84=s800, đường tròn tâm https://lh7-us.googleusercontent.com/jwiBq5-ZBPZ5cUcy4XD4rZexn4T5X8W9N0amGQG84pvfA1eNSdy_mKAaM9IoDZ47x2LYTg-ywXGLFsNAC3RnhByh4w7SVsKKVTsoRL_BnznJkcfueD6xSQ9vk7OP0FIknigtoWFkf30j6-A=s800 đường kính https://lh7-us.googleusercontent.com/wGevNAkKmnE7qlbK2oR4JK-T8zdlsaAvI3gRyOak5RL7TMANjIg-kU37I_MVQliBQ1PSlb-m30TqCLG3F1Weby-xMYCwGO2ckrG3Qq3jBfMkAW0hRL85WvzJ-JDSF9D3yUZ8sa2XFzCcvUQ=s800 như hình vẽ. Thể tích https://lh7-us.googleusercontent.com/ManP-eyqg1jJnpc3ee2vRh_dY4h_09cSydUkEKqE_SAhlnTkAB6rB5MNnDtkwY80JC63BMcCB0oBeZU-LtNMho8Ymez_McMzc_PEtyM4yKCmtrmdxIahGPWPtum3WwZ4PbJdlpAuCIS1ivA=s800của vật thể được tạo thành khi quay miền https://lh7-us.googleusercontent.com/PScFJOdOkVWaXN15oseP-53uQm2GhuQS6u3YEjkptIfITMs_L8scJhQxJnKEWKzHh1bzaBWN1ep7UXA370DMcTOk90NQgpGekZD1xj-TqcEwgG79A0ma7av7jr6UQhLKI-EeNiYJ171vCUQ=s800 (phần được gạch chéo) quanh trục https://lh7-us.googleusercontent.com/lXknd2I7--hHPClwZ6bE9_5u4eIdB4aoWrnmaBzwGUGj2QxjLHOS4Rj1sD3lRuWTK9CoJVhVoW0kgnomuIz61Aqmag0jCLRNf_d19NzYQ0sSm36e86rz9tX1lXw3vU4T1judyxGVh_m_eX4=s800 gần giá trị nào nhất sau đây?

https://lh7-us.googleusercontent.com/g60Syjv1jIuyecuMoYUFDOcpDal7FTymA3rfQlfc4REeOMaP-gYIfiVWFugKgz79c6VbKSrGvlTG4A99J2yrwW3M9ut3ttdln2p0O0NBCOdQSs-CEWixigQ9FFJ8WHyEYqjOJhYbXAT9S6E=s800

A. https://lh7-us.googleusercontent.com/jLZ4qMmf3OqUahgCEEKCoefmPsUcTpEmLZkyAVL0BwLGjOMqgr0s5t0U_G1rPBYfPOp7jpdBLrppZ_M3pqzlNgvz0rFdYUJBLr7pqlo-8dhK0Wg1zXN8xGUppAXqHsiKVBmmV4I6m7pj_t4=s800.        B. https://lh7-us.googleusercontent.com/lXb_fv34aqj0odrm4sSJSZ8j0Nsrsylkf3JfhVzhpVvaetDVcNIEP_FEgpzdEf5P4e7fIXG6O-gjB8LNY0SiJnmiai_9TKHWRE41Lk5r34hceJPnvHJPCjy345bD-huJ9ew7IeIYniw6IS0=s800.        C. https://lh7-us.googleusercontent.com/Pk0YQysTdSYC0qDiz3IIUKGOUhYOgHiJHlTdyI3gmowhIpF3WoZ_Bo5Bi81OdyOV5Vi0DfsD0sNCkpqGufoQaiLSrQ-jzCNvBo_NkKFd54MleJ0DwUadLT0e03XilRdAyWFyqf0we-9cLU0=s800.        D. https://lh7-us.googleusercontent.com/LfHd6Zb4v3qZA-sINC9693KdApM29e2RZjwlfSg4oQbOESUZJyuPpDik-SanpGOa7o3g2DqGie28Vsjh9OxtjAhe8g-HYB38JEjy5Nki7b3UUqeRRItVMpGBegrugS48bLhJJQIxdvorX8k=s800.

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